package main

import "time"

// What the REST API (and the MCP tools, which are the same code) answer. The
// OpenAPI document's response schemas are derived from these types.

type StatusResponse struct {
	Time     time.Time    `json:"time" doc:"When the figures were taken."`
	Uplink   UplinkInfo   `json:"uplink"`
	Pings    []PingInfo   `json:"pings"`
	System   SystemInfo   `json:"system"`
	Settings SettingsInfo `json:"settings"`
}

type UplinkInfo struct {
	Device    string    `json:"device" doc:"The uplink device: pppoe-wan, or the WAN interface."`
	Type      string    `json:"type" doc:"How the uplink is configured: dhcp or pppoe."`
	Connected bool      `json:"connected" doc:"The uplink has an IPv4 address and the default route."`
	Reachable bool      `json:"reachable" doc:"At least one public ping target answered."`
	IPv4      []string  `json:"ipv4" doc:"The uplink's IPv4 addresses."`
	IPv6      []string  `json:"ipv6" doc:"The uplink's IPv6 addresses."`
	Gateway   string    `json:"gateway" doc:"The default gateway ('' if none)."`
	Since     time.Time `json:"since" doc:"When the uplink last changed state."`
}

type PingInfo struct {
	Target  string `json:"target" doc:"As configured: 'gateway' or an address."`
	Address string `json:"address" doc:"The address that was pinged."`
	OK      bool   `json:"ok" doc:"It answered."`
	RttMs   int64  `json:"rttMs" doc:"Round-trip time in milliseconds."`
}

type SystemInfo struct {
	UptimeSeconds          int      `json:"uptimeSeconds"`
	Load                   string   `json:"load" doc:"Load averages (1, 5, 15 minutes)."`
	Kernel                 string   `json:"kernel" doc:"The running kernel."`
	RebootForKernel        string   `json:"rebootForKernel" doc:"The kernel of the current system when it differs from the running one: a reboot is due ('' if none)."`
	RebootForConfiguration bool     `json:"rebootForConfiguration" doc:"A configuration is staged for the next boot (interface names)."`
	CPUPercent             *float64 `json:"cpuPercent" doc:"null until the second sample."`
	MemoryUsedBytes        uint64   `json:"memoryUsedBytes"`
	MemoryTotalBytes       uint64   `json:"memoryTotalBytes"`
	TemperatureC           *float64 `json:"temperatureC" doc:"The hottest sensor; null if there is none."`
	DiskUsedBytes          uint64   `json:"diskUsedBytes"`
	DiskTotalBytes         uint64   `json:"diskTotalBytes"`
}

type SettingsInfo struct {
	Unapplied                bool   `json:"unapplied" doc:"The saved settings differ from the confirmed (running) ones."`
	Applying                 bool   `json:"applying" doc:"An apply is running."`
	LastApplyResult          string `json:"lastApplyResult" doc:"Result of the last apply: success, exit-code, ... ('' if none)."`
	ConfirmationDueInSeconds int    `json:"confirmationDueInSeconds" doc:"While a change awaits confirmation: the time left before the router rolls back (0 if none)."`
}

type SettingsResponse struct {
	ETag      string         `json:"etag" doc:"The settings' version; the same as the ETag header (without quotes)."`
	Unapplied bool           `json:"unapplied" doc:"The saved settings differ from the confirmed (running) ones."`
	Settings  map[string]any `json:"settings" doc:"The saved settings (settings.json)."`
}

type EditResponse struct {
	Saved   bool   `json:"saved" doc:"The edit was written to the saved settings."`
	Applied bool   `json:"applied" doc:"Always false: a person applies changes in the web UI."`
	ETag    string `json:"etag" doc:"The settings' new version, for the next edit."`
	Changes string `json:"changes" doc:"What this edit changed, as diff lines (- removed, + added)."`
	Next    string `json:"next" doc:"What to do next."`
}

type InterfaceInfo struct {
	Name       string `json:"name" doc:"The name from the settings."`
	Kind       string `json:"kind" enum:"physical,VLAN"`
	UsedAs     string `json:"usedAs" doc:"WAN, 'LAN <name>', or '' if unused."`
	KernelName string `json:"kernelName,omitempty" doc:"Physical: the name the kernel gives the card now."`
	MAC        string `json:"mac,omitempty" doc:"Physical: the card's MAC address, when it is on this machine."`
	DeviceName string `json:"deviceName,omitempty" doc:"VLAN: the name chosen for its device."`
}

type LeaseInfo struct {
	Address  string    `json:"address"`
	MAC      string    `json:"mac"`
	Hostname string    `json:"hostname"`
	LAN      string    `json:"lan"`
	Expires  time.Time `json:"expires"`
}

type UpdateStatusResponse struct {
	Installed  Release `json:"installed"`
	Running    bool    `json:"running" doc:"An update is being installed."`
	LastResult string  `json:"lastResult" doc:"Result of the last update run ('' if none)."`
	Log        string  `json:"log" doc:"The last update run's log."`
}

type ApplyLogResponse struct {
	Applying bool   `json:"applying"`
	Result   string `json:"result" doc:"success, exit-code, ... ('' if none or still running)."`
	Log      string `json:"log" doc:"The build and activation log."`
}

type CheckResponse struct {
	Status              string     `json:"status" enum:"done,running" doc:"'running': still evaluating, ask again in a few seconds."`
	OK                  *bool      `json:"ok,omitempty" doc:"The settings evaluate and the router's assertions pass."`
	ForTheSavedSettings *bool      `json:"forTheSavedSettings,omitempty" doc:"The result is for the current saved settings (not older ones)."`
	CheckedAt           *time.Time `json:"checkedAt,omitempty"`
	Message             string     `json:"message,omitempty"`
	Error               string     `json:"error,omitempty" doc:"Why the settings do not evaluate."`
	Note                string     `json:"note,omitempty"`
	Next                string     `json:"next,omitempty"`
}